TWS Earbuds T211

Wireless Versio: V5.1+BR+EDR
Buttons: touch control
Driver Unit:32 Ω φ13mm
Transmission Distance: ＞10m no obstacle
Frequency Response:20Hz-20KHz
Rated Power: 3mW MAX
Earbud Battery Capacity:35mAh
Charging current:40mA(1C)
Charging time in charging house: 1.5h (Max)
Standby current:1.1μA(+/-30%)
Current connecting with cellphone: 0.2-1.5mA
Playing time: 4hours MAX (may vary depending on volume level and different music)
180 seconds will power off automatically if no connection with cell phone.